. >>> but coming up next, they caught on tape, roughening up the store clerk. not too bad for the slurpies. >>> we've got a holiday weekend coming up and commuters should expect big delays this veterans weekend. all metro, especially the orange line. through closing monday. the ballston and virginia square stations will be closed. trains will also be single tracking between the east falls church and vienna station. expecting delays up to 45 minutes. they will be single tracking on the red and green lines. >>> police are out with surveillance video today. they are hoping that it will help them catch a couple armedrobbers. it's the day before halloween. and police say that one of the suspects jumped over the counter in the middle of the night. and the other one grabbed the clerk, threatened them with the gun. that poor clerk was pushed out of the ground, but it was not serious. anyone who knows who these fellows are, alexandria police would love to hear from you. >>> a new fight is brewing over the height restrictions in the district and whether they should be li